The Tiger Rock Inc. BC-N-ORG+BC-3 223/5.56 Rifle Enhanced Bolt Catch Upgrade in Cerakote Hunter Orange is engineered for superior firearm performance. This essential upgrade ensures your AR-15's bolt carrier group secures reliably to the rear after the last round is fired, enhancing overall efficiency and functionality. Crafted from premium gun-quality steel, this bolt catch is precision-machined to deliver exceptional durability, featuring a wide latch area for improved operational ease. With a stylish design, it's the ideal functional accessory for mil-spec lowers. Constructed of steel and designed to lock the bolt carrier group to the rear of the receiver upon discharging the last round in a magazine. Cerakote Hunter Orange finish for a distinct look. Precision machined from gun-quality steel for enhanced durability. Wide surface area bolt catch latch for improved operation. Sleek design compatible with mil-spec lowers. Included: Stainless steel spring, black steel plunger, and steel roll pin make installation seamless.